JPH03116144U

JPH03116144U -

Info

Publication number: JPH03116144U
Application number: JP2565690U
Authority: JP
Priority date: 1990-03-15
Filing date: 1990-03-15
Publication date: 1991-12-02

Description

[Brief explanation of the drawing]

第１図は、本願考案による装置の全体を下から
見た図を示すものであり、第２図は、非作動状態
にある本願考案の装置の側面図（第１図で矢印Ｍ
で示す方向から見た図）であり、第３図は、第２
図と同様な図であつて（幾つかの部品を省略して
ある）連続した作動状態を示す図であり、第４図
は、第２図の−における一部断面図を示すも
のであり、第５図は、第４図における線−に
おける一部断面図を示すものであり、第６図は、
本願考案による装置を組み込んだ事務用ひじ掛け
椅子を示す斜視図であり、第７図は、背もたれの
傾斜だけを調節する本願考案の装置の取り付けと
、座部への背もたれの支持体の揺動自在な結合等
を示す概略図であり、第８図は、背もたれと座部
との双方を調節できる本願考案の装置の取り付け
と、座部への背もたれの支持体の固定結合状態を
示す概略図である。７……頭部、８……気体スプリング、１０……
シヤフト、１６……揺れ部材、１８……第１縁、
１９……第２縁、２１……棒体、２４……開口。 FIG. 1 shows the entire device according to the present invention viewed from below, and FIG. 2 is a side view of the device according to the present invention in a non-operating state (arrow M in FIG.
), and Figure 3 is the view from the direction shown in Figure 2.
4 is a diagram similar to the figure (with some parts omitted) showing a continuous operating state; FIG. 4 is a partial sectional view taken at - in FIG. 2; FIG. 5 shows a partial sectional view taken along the line - in FIG. 4, and FIG.
FIG. 7 is a perspective view showing an office armchair incorporating the device according to the present invention, and FIG. FIG. 8 is a schematic diagram showing the installation of the device of the present invention that can adjust both the backrest and the seat, and the fixed connection state of the support of the backrest to the seat. be. 7... Head, 8... Gas spring, 10...
Shaft, 16... Swinging member, 18... First edge,
19... second edge, 21... rod, 24... opening.

Claims

[Claims for Utility Model Registration] 1. An improved device particularly suitable for an office chair, which is equipped with a gas spring 8 and is capable of adjusting the inclination of the backrest, the seat, or both of these, which is connected to the gas spring. A member 16 forming a generally L-shaped lever swingably held on the head 7 and having a first arm 18 and a second arm 19 acts on the first arm. So, member 1
6 rotation F', and thus a rod 21 which generates a pressing force of the second arm on the drive shaft 10 of the valve of the gas spring in the direction of opening this valve. 2. The member 16 is housed in a slot 15 formed in the head, and the first arm of the member is
facing the rod, the second arm of the member facing the shaft;
An improved device according to claim 1. 3. The improved device according to claim 1, wherein the rod protrudes from an opening 24 formed on the side of the head, and this opening has a step 25 formed therein. 4. The rod 21 is swingably held at the head by a pin 20, and these pins and the rod are
The improved device according to claim 3, characterized in that the device is swingably fixed with a sufficient gap.